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Round|Lab Grown|IGI

10.31ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG665404035

Shape and cutting style on the report: Round brilliant

Certificate IGI LG665404035

Diamond specifications and retailer prices

From $2,866 CAD
$2,052 USD
As of October 29, 2026
Save $18,566 CAD (87%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $21,433 CAD at Brilliance · As of October 30, 2026
View at Brilliance

About this 10.31ct lab-grown round diamond

This 10.31ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG665404035 or 665404035. Listed at 20 retailers as of October 29, 2026, with prices from $2,866 to $21,433, a $18,566 spread on the same certified stone. Brilliance lists it at $21,433. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

10.31
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665404035
Dimensions13.92 × 13.84 × 8.65 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.92 mm13.84 mm10.31 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG665404035
Side View
Table 57.0%Crown 35.2°Girdle: MediumPavilion 40.7°Culet: NoneDepth 62.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $8,004 CAD|Low: $2,795 CAD|High: $20,423 CAD|Avg: $7,189 CAD|-7.5%
Brilliance
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 30, 2026
Retailer 4$2,866 CAD
Retailer 11$4,166 CAD
Retailer 2$4,197 CAD
Retailer 12$4,247 CAD
Retailer 10$4,393 CAD
Retailer 9$4,598 CAD
Retailer 16$4,997 CAD
Retailer 7$5,091 CAD
Retailer 6$5,699 CAD
Retailer 5$6,545 CAD
Brilliance$8,004 CAD
Retailer 15$8,531 CAD
Retailer 13$9,377 CAD
Retailer 14$10,408 CAD
Retailer 8$12,638 CAD
Retailer 3$19,263 CAD

35 data points across 16 retailers

20 retailers$2,866 CAD to $21,433 CAD

Retailer 1
-
$2,647 CAD
$1,895 USD
Price last confirmed 20 days ago
A
Retailer 2
-
$2,866 CAD
$2,052 USD
View
Final sale: no returns
Retailer 3
-
$3,072 CAD
$2,199 USD
View
Price last confirmed 20 days ago
Retailer 4
-
$3,072 CAD
$2,199 USD
View
Price last confirmed 21 days ago
A
Retailer 5
-
$4,166 CAD
HK$23,300 HKD
View
A
Retailer 6
-
$4,197 CAD
£2,366 GBP
View
B+
Retailer 7
-
$4,247 CAD
$3,040 USD
View
A
Retailer 8
-
$4,393 CAD
$3,145 USD
View
A
Retailer 9
-
$4,598 CAD
ZAR 53,178 ZAR
View
A
Retailer 10
-
$4,997 CAD
$3,577 USD
View
Retailer 11
-
$5,699 CAD
A$6,277 AUD
View
Price last confirmed 8 days ago
Retailer 12
-
$5,757 CAD
$4,121 USD
View
Price last confirmed 21 days ago
A
Retailer 13
-
$6,545 CAD
View
B+
Retailer 14
-
$8,004 CAD
$5,730 USD
View
B+
Retailer 15
-
$8,531 CAD
$6,107 USD
View
B+
Retailer 16
-
$9,377 CAD
$6,713 USD
View
B+
Retailer 17
-
$10,408 CAD
$7,451 USD
View
Retailer 18
-
$12,638 CAD
$9,047 USD
View
Price last confirmed 9 days ago
B
Retailer 19
-
$19,263 CAD
$13,790 USD
View
Most Expensive
B
Brilliance
D33543049 · Oct 30
$21,433 CAD
$15,343 USD
View
19 more retailers have this diamond
Prices start from $2,866 CADSave up to $18,566 CAD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
10.31ct Round
$2,866 CAD